paulwalko.github.io/node_modules/gulp/bin/gulp.js

213 lines
5.3 KiB
JavaScript

#!/usr/bin/env node
'use strict';
var gutil = require('gulp-util');
var prettyTime = require('pretty-hrtime');
var chalk = require('chalk');
var semver = require('semver');
var archy = require('archy');
var Liftoff = require('liftoff');
var tildify = require('tildify');
var interpret = require('interpret');
var v8flags = require('v8flags');
var completion = require('../lib/completion');
var argv = require('minimist')(process.argv.slice(2));
var taskTree = require('../lib/taskTree');
// Set env var for ORIGINAL cwd
// before anything touches it
process.env.INIT_CWD = process.cwd();
var cli = new Liftoff({
name: 'gulp',
completions: completion,
extensions: interpret.jsVariants,
v8flags: v8flags,
});
// Exit with 0 or 1
var failed = false;
process.once('exit', function(code) {
if (code === 0 && failed) {
process.exit(1);
}
});
// Parse those args m8
var cliPackage = require('../package');
var versionFlag = argv.v || argv.version;
var tasksFlag = argv.T || argv.tasks;
var tasks = argv._;
var toRun = tasks.length ? tasks : ['default'];
// This is a hold-over until we have a better logging system
// with log levels
var simpleTasksFlag = argv['tasks-simple'];
var shouldLog = !argv.silent && !simpleTasksFlag;
if (!shouldLog) {
gutil.log = function() {};
}
cli.on('require', function(name) {
gutil.log('Requiring external module', chalk.magenta(name));
});
cli.on('requireFail', function(name) {
gutil.log(chalk.red('Failed to load external module'), chalk.magenta(name));
});
cli.on('respawn', function(flags, child) {
var nodeFlags = chalk.magenta(flags.join(', '));
var pid = chalk.magenta(child.pid);
gutil.log('Node flags detected:', nodeFlags);
gutil.log('Respawned to PID:', pid);
});
cli.launch({
cwd: argv.cwd,
configPath: argv.gulpfile,
require: argv.require,
completion: argv.completion,
}, handleArguments);
// The actual logic
function handleArguments(env) {
if (versionFlag && tasks.length === 0) {
gutil.log('CLI version', cliPackage.version);
if (env.modulePackage && typeof env.modulePackage.version !== 'undefined') {
gutil.log('Local version', env.modulePackage.version);
}
process.exit(0);
}
if (!env.modulePath) {
gutil.log(
chalk.red('Local gulp not found in'),
chalk.magenta(tildify(env.cwd))
);
gutil.log(chalk.red('Try running: npm install gulp'));
process.exit(1);
}
if (!env.configPath) {
gutil.log(chalk.red('No gulpfile found'));
process.exit(1);
}
// Check for semver difference between cli and local installation
if (semver.gt(cliPackage.version, env.modulePackage.version)) {
gutil.log(chalk.red('Warning: gulp version mismatch:'));
gutil.log(chalk.red('Global gulp is', cliPackage.version));
gutil.log(chalk.red('Local gulp is', env.modulePackage.version));
}
// Chdir before requiring gulpfile to make sure
// we let them chdir as needed
if (process.cwd() !== env.cwd) {
process.chdir(env.cwd);
gutil.log(
'Working directory changed to',
chalk.magenta(tildify(env.cwd))
);
}
// This is what actually loads up the gulpfile
require(env.configPath);
gutil.log('Using gulpfile', chalk.magenta(tildify(env.configPath)));
var gulpInst = require(env.modulePath);
logEvents(gulpInst);
process.nextTick(function() {
if (simpleTasksFlag) {
return logTasksSimple(env, gulpInst);
}
if (tasksFlag) {
return logTasks(env, gulpInst);
}
gulpInst.start.apply(gulpInst, toRun);
});
}
function logTasks(env, localGulp) {
var tree = taskTree(localGulp.tasks);
tree.label = 'Tasks for ' + chalk.magenta(tildify(env.configPath));
archy(tree)
.split('\n')
.forEach(function(v) {
if (v.trim().length === 0) {
return;
}
gutil.log(v);
});
}
function logTasksSimple(env, localGulp) {
console.log(Object.keys(localGulp.tasks)
.join('\n')
.trim());
}
// Format orchestrator errors
function formatError(e) {
if (!e.err) {
return e.message;
}
// PluginError
if (typeof e.err.showStack === 'boolean') {
return e.err.toString();
}
// Normal error
if (e.err.stack) {
return e.err.stack;
}
// Unknown (string, number, etc.)
return new Error(String(e.err)).stack;
}
// Wire up logging events
function logEvents(gulpInst) {
// Total hack due to poor error management in orchestrator
gulpInst.on('err', function() {
failed = true;
});
gulpInst.on('task_start', function(e) {
// TODO: batch these
// so when 5 tasks start at once it only logs one time with all 5
gutil.log('Starting', '\'' + chalk.cyan(e.task) + '\'...');
});
gulpInst.on('task_stop', function(e) {
var time = prettyTime(e.hrDuration);
gutil.log(
'Finished', '\'' + chalk.cyan(e.task) + '\'',
'after', chalk.magenta(time)
);
});
gulpInst.on('task_err', function(e) {
var msg = formatError(e);
var time = prettyTime(e.hrDuration);
gutil.log(
'\'' + chalk.cyan(e.task) + '\'',
chalk.red('errored after'),
chalk.magenta(time)
);
gutil.log(msg);
});
gulpInst.on('task_not_found', function(err) {
gutil.log(
chalk.red('Task \'' + err.task + '\' is not in your gulpfile')
);
gutil.log('Please check the documentation for proper gulpfile formatting');
process.exit(1);
});
}